Toner cartridge is manufactured to the highest standards and print-tested before packaging, and performance is benchmarked against the OEM for quality and consistency. Toner delivers high-quality, crisp text resolution, page after page. Cartridge is designed for use in Hewlett-Packard LaserJet Printers 4240n, 4250n, 4250tn, 4250dtn, 4250dtnsl, 4350, 4350n, 4350tn, 4350dtn and 4350dtnsl. Remanufactured cartridge yields approximately 10,000 pages based on 5 percent area coverage.